i know someone who is abusing these two drugs . been 3 years now . he is 40 with a chronic depression , obese , and diabetic refusing to get any help. we forced him into a rehap once;howeve, he started to shot again only few days after he cheked out . he is shoting about 40 mg six times a a day of nalbuphine ,all Intramuscular, he even wakes up in the middle of the night to shot . just asking about the risks or how this is gonna end up‏